Guys, check out bug 204996. The problem is the 2.6.24 kernel. I switched from Hardy Heron to Debian Lenny and upgraded to 2.6.25 and have had no lockups on my system. (Nvidia GeForce 7800 GTS, Atheros PCI wireless card, Athlon64 dual core)
Maybe 2.6.25 will fix your problems?
Guys, check out bug 204996. The problem is the 2.6.24 kernel. I switched from Hardy Heron to Debian Lenny and upgraded to 2.6.25 and have had no lockups on my system. (Nvidia GeForce 7800 GTS, Atheros PCI wireless card, Athlon64 dual core)
Maybe 2.6.25 will fix your problems?